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Humanloop provides a collaborative workspace for teams to build, test, and evaluate LLM features. It bridges the gap between product teams and developers for seamless prompt engineering.
Other tools in the Prompt Engineering category
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How tools are selected
Every tool on aistacks is manually reviewed before being added. We look at real-world usage, workflow fit, and whether it genuinely saves time — not just popularity.
What belongs in a good stack
Tools are grouped by workflow role — not thrown together. Each stack is built around a specific persona and task, so every tool has a clear reason for being there.
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Custom enterprise pricing based on volume
Free developer tier, paid tiers for teams
Marketplace for buying and selling DALL-E, GPT, and Midjourney prompts.
Pay per prompt (usually $1.99 - $4.99)
Open-source LLM observability platform with prompt tracking.
Free up to 100k requests/mo, Pro at $50/mo